@article{DE_1967_3_10_a3,
     author = {Hoang Hyu Dyong},
     title = {The theory of characteristic vectors and its application to the study of the asymptotic behavior of solutions of differential {systems.~II}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1656--1672},
     publisher = {mathdoc},
     volume = {3},
     number = {10},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1967_3_10_a3/}
}